Home / 187,475.76-258,837.26-167,297.94

Finding the Fourth Proportional to 187,475.76, 258,837.26 and 167,297.94

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Solution

The fourth proportional to 187,475.76, 258,837.26 and 167,297.94 is: 230,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,475.76 : 258,837.26 = 167,297.94 : x
  2. Step 2: Convert to fraction form
    187,475.76/258,837.26 = 167,297.94/x
  3. Step 3: Cross multiply
    187,475.76x = 258,837.26 × 167,297.94
  4. Step 4: Simplify right side
    187,475.76x = 43,302,939,556.75
  5. Step 5: Solve for x
    x = 43,302,939,556.75/187,475.76
  6. Step 6: Final answer
    x = 230,978.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.